package main

import "fmt"

func main() {
	m := map[int]string{1: "java", 2: "go", 3: "node"}
	fmt.Println(m)

	// 引用传递
	test32_1(m)
	fmt.Println(m)
}

func test32_1(m map[int]string) {
	delete(m, 1)
}
